Grivel ZenGrivelZenPrice $49.95SpecsFrame Type frameless rucksack Load Type panel-loading Fixed Capacity (cubic inches) 1525Sizes Available 1 Smallest Size (Torso Length/Inches) 14Features This model has none of the features listed Weight 1 lb, 1 ozMoreExisting modelFast and light backpack for climbing of all types. Made from 100% Nylon. YKK zipper access to the main compartment. Single mountain axe attachment. Additional attachment points on the sides of the pack. Padded back panel.